How to build:

Change 'Makefile' 'APDIR' to you real install path

If you Apache2 is first install,you change 'Makefile' like this:
#CFLAGS+=-I$(APRDIR) -I$(APR_UTIL_DIR)
If you Apache2 is not first install,you change 'Makefile' APRDIR 
and apr-util dir pointer in you real location

finished execute:make 

How to install:
make install

How to config:
copy below 5 lines append to your apache2 config file 'httpd.conf'
LoadModule demo_module modules/mod_demo.so
<Location /demo>
demo_str "Hello"
demo_int 12345
</Location>

How to test:
1.use curl like this,'curl locahost/demo'
you will see demo module response like:
This is apache demo module
Client ip:127.0.0.1
demo str:Hello,demo int:12345

2.use web brower ,input url "127.0.0.1/demo"